I just bought rezer blackshark v2 pro and the sound from the right ear is louder than the sound from the left ear and it's identified as a speaker so how I can fix this
and then what do I do?Start by right-clicking the small speaker icon usually found in the lower right screen corner.
You should see a 5 item menu listing a number of audio related options/choices.
Each choice leads to varying numbers of Windows, tabs, and properties.
Explore first but do not initially change anything. Keep notes of what you find.
Especially configuration options regarding audio devices (selection, default device) and options regarding "Balance".